Biomedical subjects
Publications and source records attributed to F A Popp.
Theoretical studies, data from radiation biology, and clinical experiences reveal that the tissue capability of recovery is susceptibly dependent on "communication phenomena" in the cellular association. Little is known so far of the interrelations. Most simple suppositions, however, lead already to plain criteria of optimation for the spatial dose distribution and to practical conclusions with regard to dosage and fractionation.
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The alpha- and p-states of 3.4-benzpyrene are calculated by use of common parameters and of a parameter set which predicts the quasi-degeneracy of these states. The quasi-degeneracy will be represented by the breadage of pairing theorem and is to be described as a correlation effect, caused by an asymmetric potential. An external field represents an external perturbation, introduced by interaction with the bioreceptor. The calculation shows a sensitive dependence of probability amplitudes for different configurations which participate in the quasi-degenerated resonance states. Thereby the dipole moment may quickly be changed so that excitons are produced. The resonance phenomenon may lead to the carcinogenic effect.